1/* 2 * File: drivers/video/omap/omapfb.h 3 * 4 * Framebuffer driver for TI OMAP boards 5 * 6 * Copyright (C) 2004 Nokia Corporation 7 * Author: Imre Deak <imre.deak@nokia.com> 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by the 11 * Free Software Foundation; either version 2 of the License, or (at your 12 * option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, but 15 * WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write to the Free Software Foundation, Inc., 21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 22 */ 23 24#ifndef __OMAPFB_H 25#define __OMAPFB_H 26 27#include <linux/fb.h> 28#include <linux/mutex.h> 29#include <linux/omapfb.h> 30 31#define OMAPFB_EVENT_READY 1 32#define OMAPFB_EVENT_DISABLED 2 33 34#define OMAP_LCDC_INV_VSYNC 0x0001 35#define OMAP_LCDC_INV_HSYNC 0x0002 36#define OMAP_LCDC_INV_PIX_CLOCK 0x0004 37#define OMAP_LCDC_INV_OUTPUT_EN 0x0008 38#define OMAP_LCDC_HSVS_RISING_EDGE 0x0010 39#define OMAP_LCDC_HSVS_OPPOSITE 0x0020 40 41#define OMAP_LCDC_SIGNAL_MASK 0x003f 42 43#define OMAP_LCDC_PANEL_TFT 0x0100 44 45#define OMAPFB_PLANE_XRES_MIN 8 46#define OMAPFB_PLANE_YRES_MIN 8 47 48struct omapfb_device; 49 50struct lcd_panel { 51 const char *name; 52 int config; /* TFT/STN, signal inversion */ 53 int bpp; /* Pixel format in fb mem */ 54 int data_lines; /* Lines on LCD HW interface */ 55 56 int x_res, y_res; 57 int pixel_clock; /* In kHz */ 58 int hsw; /* Horizontal synchronization 59 pulse width */ 60 int hfp; /* Horizontal front porch */ 61 int hbp; /* Horizontal back porch */ 62 int vsw; /* Vertical synchronization 63 pulse width */ 64 int vfp; /* Vertical front porch */ 65 int vbp; /* Vertical back porch */ 66 int acb; /* ac-bias pin frequency */ 67 int pcd; /* pixel clock divider. 68 Obsolete use pixel_clock instead */ 69 70 int (*init) (struct lcd_panel *panel, 71 struct omapfb_device *fbdev); 72 void (*cleanup) (struct lcd_panel *panel); 73 int (*enable) (struct lcd_panel *panel); 74 void (*disable) (struct lcd_panel *panel); 75 unsigned long (*get_caps) (struct lcd_panel *panel); 76 int (*set_bklight_level)(struct lcd_panel *panel, 77 unsigned int level); 78 unsigned int (*get_bklight_level)(struct lcd_panel *panel); 79 unsigned int (*get_bklight_max) (struct lcd_panel *panel); 80 int (*run_test) (struct lcd_panel *panel, int test_num); 81}; 82 83struct extif_timings { 84 int cs_on_time; 85 int cs_off_time; 86 int we_on_time; 87 int we_off_time; 88 int re_on_time; 89 int re_off_time; 90 int we_cycle_time; 91 int re_cycle_time; 92 int cs_pulse_width; 93 int access_time; 94 95 int clk_div; 96 97 u32 tim[5]; /* set by extif->convert_timings */ 98 99 int converted; 100}; 101 102struct lcd_ctrl_extif { 103 int (*init) (struct omapfb_device *fbdev); 104 void (*cleanup) (void); 105 void (*get_clk_info) (u32 *clk_period, u32 *max_clk_div); 106 unsigned long (*get_max_tx_rate)(void); 107 int (*convert_timings) (struct extif_timings *timings); 108 void (*set_timings) (const struct extif_timings *timings); 109 void (*set_bits_per_cycle)(int bpc); 110 void (*write_command) (const void *buf, unsigned int len); 111 void (*read_data) (void *buf, unsigned int len); 112 void (*write_data) (const void *buf, unsigned int len); 113 void (*transfer_area) (int width, int height, 114 void (callback)(void *data), void *data); 115 int (*setup_tearsync) (unsigned pin_cnt, 116 unsigned hs_pulse_time, unsigned vs_pulse_time, 117 int hs_pol_inv, int vs_pol_inv, int div); 118 int (*enable_tearsync) (int enable, unsigned line); 119 120 unsigned long max_transmit_size; 121}; 122 123struct omapfb_notifier_block { 124 struct notifier_block nb; 125 void *data; 126 int plane_idx; 127}; 128 129typedef int (*omapfb_notifier_callback_t)(struct notifier_block *, 130 unsigned long event, 131 void *fbi); 132 133struct lcd_ctrl { 134 const char *name; 135 void *data; 136 137 int (*init) (struct omapfb_device *fbdev, 138 int ext_mode, 139 struct omapfb_mem_desc *req_md); 140 void (*cleanup) (void); 141 void (*bind_client) (struct omapfb_notifier_block *nb); 142 void (*get_caps) (int plane, struct omapfb_caps *caps); 143 int (*set_update_mode)(enum omapfb_update_mode mode); 144 enum omapfb_update_mode (*get_update_mode)(void); 145 int (*setup_plane) (int plane, int channel_out, 146 unsigned long offset, 147 int screen_width, 148 int pos_x, int pos_y, int width, 149 int height, int color_mode); 150 int (*set_rotate) (int angle); 151 int (*setup_mem) (int plane, size_t size, 152 int mem_type, unsigned long *paddr); 153 int (*mmap) (struct fb_info *info, 154 struct vm_area_struct *vma); 155 int (*set_scale) (int plane, 156 int orig_width, int orig_height, 157 int out_width, int out_height); 158 int (*enable_plane) (int plane, int enable); 159 int (*update_window) (struct fb_info *fbi, 160 struct omapfb_update_window *win, 161 void (*callback)(void *), 162 void *callback_data); 163 void (*sync) (void); 164 void (*suspend) (void); 165 void (*resume) (void); 166 int (*run_test) (int test_num); 167 int (*setcolreg) (u_int regno, u16 red, u16 green, 168 u16 blue, u16 transp, 169 int update_hw_mem); 170 int (*set_color_key) (struct omapfb_color_key *ck); 171 int (*get_color_key) (struct omapfb_color_key *ck); 172}; 173 174enum omapfb_state { 175 OMAPFB_DISABLED = 0, 176 OMAPFB_SUSPENDED = 99, 177 OMAPFB_ACTIVE = 100 178}; 179 180struct omapfb_plane_struct { 181 int idx; 182 struct omapfb_plane_info info; 183 enum omapfb_color_format color_mode; 184 struct omapfb_device *fbdev; 185}; 186 187struct omapfb_device { 188 int state; 189 int ext_lcdc; /* Using external 190 LCD controller */ 191 struct mutex rqueue_mutex; 192 193 int palette_size; 194 u32 pseudo_palette[17]; 195 196 struct lcd_panel *panel; /* LCD panel */ 197 const struct lcd_ctrl *ctrl; /* LCD controller */ 198 const struct lcd_ctrl *int_ctrl; /* internal LCD ctrl */ 199 struct lcd_ctrl_extif *ext_if; /* LCD ctrl external 200 interface */ 201 struct device *dev; 202 struct fb_var_screeninfo new_var; /* for mode changes */ 203 204 struct omapfb_mem_desc mem_desc; 205 struct fb_info *fb_info[OMAPFB_PLANE_NUM]; 206 207 struct platform_device *dssdev; /* dummy dev for clocks */ 208}; 209 210#ifdef CONFIG_ARCH_OMAP1 211extern struct lcd_ctrl omap1_lcd_ctrl; 212#else 213extern struct lcd_ctrl omap2_disp_ctrl; 214#endif 215 216extern void omapfb_register_panel(struct lcd_panel *panel); 217extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval); 218extern void omapfb_notify_clients(struct omapfb_device *fbdev, 219 unsigned long event); 220extern int omapfb_register_client(struct omapfb_notifier_block *nb, 221 omapfb_notifier_callback_t callback, 222 void *callback_data); 223extern int omapfb_unregister_client(struct omapfb_notifier_block *nb); 224extern int omapfb_update_window_async(struct fb_info *fbi, 225 struct omapfb_update_window *win, 226 void (*callback)(void *), 227 void *callback_data); 228 229#endif /* __OMAPFB_H */ 230